CS5376A-IQZR Cirrus Logic Inc, CS5376A-IQZR Datasheet - Page 11

• Manufacturer Part Number: CS5376A-IQZR
• Description: IC LP Multi-Channel Decimation Filter
• Manufacturer: Cirrus Logic Inc

Specifications of CS5376A-IQZR

• Filter Type: Digital
• Number Of Filters: 4
• Max-order: 2nd
• Voltage - Supply: 3 V ~ 5 V
• Mounting Type: Surface Mount
• Package / Case: 64-TQFP, 64-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 598-1778 - EVALUATION BOARD FOR CS5376
• Frequency - Cutoff Or Center: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

DS612F4
Selection
Bits 15:12
Bits
0000
0001
0010
0100
0011
Test Bit Stream Characteristic Equation:
(Signal Freq) * (# TBS Data) * (Interpolation + 1) = Output Rate
Example: (31.25 Hz) * (1024) * (0x07 + 1) = 256 kHz
3 Hz @ 2000 SPS
3 Hz @ 1000 SPS
IIR2 Coefficients
(TBSDATA)
3 Hz @ 500 SPS
3 Hz @ 333 SPS
3 Hz @ 250 SPS
Frequency
125.00 Hz
125.00 Hz
10.00 Hz
10.00 Hz
25.00 Hz
25.00 Hz
31.25 Hz
31.25 Hz
50.00 Hz
50.00 Hz
23:20
0000
Signal
Figure 3. FIR and IIR Coefficient Set Selection Word
Table 2. TBS Configurations Using On-Chip Data
19:16
0000
(TBSCLK)
256 kHz
512 kHz
256 kHz
512 kHz
256 kHz
512 kHz
256 kHz
512 kHz
256 kHz
512 kHz
Output
Rate
Bits 11:8
0000
0001
0010
0011
0100
15:12
IIR2
3 Hz @ 2000 SPS
3 Hz @ 1000 SPS
IIR1 Coefficients
3 Hz @ 500 SPS
3 Hz @ 333 SPS
3 Hz @ 250 SPS
Output Rate
Selection
(RATE)
0x4
0x5
0x4
0x5
0x4
0x5
0x4
0x5
0x4
0x5
11:8
IIR1
Interpolation
Selection
Bits 3:0
Bits 7:4
(INTP)
0000
0001
0x0F
0000
0001
0x18
0x31
0x09
0x13
0x07
0x04
0x09
0x01
0x03
FIR2
7:4
FIR1 Coefficients
FIR2 Coefficients
Minimum Phase
Minimum Phase
Linear Phase
Linear Phase
CS5376A
FIR1
3:0
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